Tag Archives: Exchange Server

Microsoft Exchange Server Nov. Updates Re-Release (27. Nov. 2024)

Posted on 2024-11-28 by guenni

[German]Microsoft has re-released the pulled security updates for Microsoft Exchange Server 2016 and 2019 on November 27. With the first release, it turned out that the transport rules no longer worked after the update installation. Microsoft now believes it has … Continue reading →

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Exchange Server April 2024 Hotfix-Updates (24. April 2024)

Posted on 2024-04-24 by guenni

[German]Microsoft released hotfix updates (HU) for Exchange Server 2016 and 2019 on April 24. These hotfix updates provide support for new features and are intended to resolve issues caused by the March 2024 Security Update (SU). Although the updates are … Continue reading →

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Exchange Server security updates (March 12, 2024)

Posted on 2024-03-13 by guenni

[German]Microsoft has released security updates for Exchange Server 2016 and 2019 on March 12, 2024. These updates fix security vulnerabilities reported to Microsoft by security partners and found by Microsoft's internal processes. According to Microsoft, the updates should be installed … Continue reading →

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Exchange Server Oct. 2023 updates fail with error 0x80070534

Posted on 2023-10-14 by guenni

[German]As of October 10, 2023, Microsoft has released security updates for Exchange Server 2016 and Exchange Server 2019. On a number of Exchange Server systems, the installation of the October 2023 updates ends with error 0x80070534. The cause seems to … Continue reading →

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Exchange Server vNext is coming in 2025

Posted on 2022-06-03 by guenni

[German]Tt has been rumored for some time whether there would be a successor to Microsoft Exchange Server 2019, which was released on October 22, 2018. The subscription-based successor announced for 2021 never appeared. Speculation that customers would be forced from … Continue reading →

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Why ISL Online: Critical factors when choosing a remote desktop solution

[Sponsored Post]In the rapidly evolving IT world, choosing the right remote desktop software is critical for organizations that value security, ease of use and reliability. One provider of secure remote access that has been on the market since 2001 is ISL Online, which presents some considerations for choosing such software below. More ...

Exchange Server November 2021 Security Updates Close RCE Vulnerability CVE-2021-42321

Posted on 2021-11-10 by guenni

[German]For administrators of Exchange Server 2013, 2016 and 2019, Microsoft has released the security updates for the current month as of November 9, 2021. Most relevantly, a Remote Code Execution (RCE) vulnerability CVE-2021-42321 is closed (was exploited at the Tianfu … Continue reading →

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Attacks on Exchange Server via ProxyShell vulnerability (8/13/2021)

Posted on 2021-08-13 by guenni

[German]I'm bringing this up again before the weekend, even though the readership of this blog is probably well informed and keeps the Exchange servers up to date with the latest patches. It's Friday the 13th and we're about to hit … Continue reading →

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Microsoft Defender automatically mitigates CVE-2021-26855 on Exchange Server

Posted on 2021-03-19 by guenni

[German]Microsoft is taking the next step in securing on-premises Exchange installations. Microsoft Defender not only detects infections of a system as a result of the ProxyLogon vulnerabilities. The virus scanner can also automatically detect a vulnerable system and closes the … Continue reading →

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Exchange Server: Terrible Patch Status; v2010 reaches EOL

Posted on 2020-09-30 by guenni

[German]It's a terrible image, that security firm Rapid 7 draws in it's newest report. Round about 247.000 Exchange Servers are running unpatched and are reachable from the Internet. A lot of Exchange Servers are vulnerable against CVE-2020-0688 and thousands of … Continue reading →

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New Office and new Exchange Server in 2021

Posted on 2020-09-23 by guenni

[German]During Ignite 2020, which has just been launched as a virtual conference, Microsoft has announced a new Office for Windows and Mac for 2021, as well as giving initial indications of a new Exchange Server. Advertising

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